Ice cube tray



FIG. 1 is a perspective view of an ice cube tray showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a side elevational view thereof.

The broken lines in the figures are for purposes of illustration only and form no part of the claimed design.

The broken line shown in FIGS. 3 and 5 are for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an ice cube tray, as shown and described. 